I've been known to pack a jar of pickles in my luggage, but then I pack things there generally never make other people's lists.
1. Kitchen sink;
2. Mk8 liferaft;
3. automatic drip coffee maker;
4. Finger ring saw, NSN 5110-00-570-6896
5. Snare wire, NSN 9525-00-596-3498
6. Candle, NSN 9925-00-202-4417
7. Plastic bag, NSN 8105-00-837-7755
8. Survival blanket, NSN 7210-00-935-6666
9. Emergency fishing kit, NSN 4220-00-244-0764
10. Pocket knife, NSN 5110-00-162-2205
11. Signal mirror, NSN 6350-00-105-1252
12. Extreme cold whistle, NSN 8465-01-278-6982
13. Smoke Chaser compass, NSN 6605-00-553-8795
14. Magnesium fire starter, NSN 4240-01-160-5618
15. Plastic bag, NSN 8105-00-837-7755
16. Drinking water bag, NSN 8466-00-634-4499
17. Matches, NSN 9920-01-191-3434
18. Israeli Type 80 Gas Mask
19. Pickles
20. Radiation Detection CDV-717 High Range Survey Meter